Home / 8,923.15-12,313.38-5,337.89

Finding the Fourth Proportional to 8,923.15, 12,313.38 and 5,337.89

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Solution

The fourth proportional to 8,923.15, 12,313.38 and 5,337.89 is: 7,365.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.15 : 12,313.38 = 5,337.89 : x
  2. Step 2: Convert to fraction form
    8,923.15/12,313.38 = 5,337.89/x
  3. Step 3: Cross multiply
    8,923.15x = 12,313.38 × 5,337.89
  4. Step 4: Simplify right side
    8,923.15x = 65,727,467.97
  5. Step 5: Solve for x
    x = 65,727,467.97/8,923.15
  6. Step 6: Final answer
    x = 7,365.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.